login

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).

A031668 as a simple table

na(n)
140829
2132577
3195485
4197257
5362629
6365041
7466778
8473633
9584057
10587117
11590185
12850613
13852458
141002626
151006634
161014674
171016689
181018706
191024769
201184473
211188829
221351085
231360397
241365065
251374425
261541042
271548497

[40829,132577,195485,197257,362629,365041,466778,
 473633,584057,587117,590185,850613,852458,1002626,
 1006634,1014674,1016689,1018706,1024769,1184473,
 1188829,1351085,1360397,1365065,1374425,1541042,
 1548497]